Brian Teefey, who worked as the longtime manager of the late 22-year-old, said of Grimmie: "Christina was like a second daughter to me."

Christina Grimmie's longtime manager Brian Teefey, who is also the stepfather of Selena Gomez, has created a GoFundMe account to assist the late Voice singer’s family in their time of need.

"Words cannot begin to describe the pain I am feeling,” Teefey wrote in a statement. “I learned this business through the eyes of a father, and Christina was like a second daughter to me. All I wanted to do was assist her in achieving her musical dreams while protecting her from the pitfalls associated with the business. I never could have imagined this horrific event being one of the pitfalls needing to be avoided.”

As the client and friend of Gomez's stepfather, Grimmie was a backup singer for Gomez and toured with the pop star, Peoplereports. The two artists were also friends. “I am completely taken aback and sad. And quite frankly, scared,” Gomez tweeted.

"My heart is absolutely broken. I miss you Christina," Gomez captioned a photo that she shared on Twitter of the two of them together.

Grimmie was shot and killed after performing a concert at Orlando’s Plaza concert venue Friday night (June 10). The 22-year-old singer was signing autographs when a man approached her and fired shots. She died early Saturday.

Teefey says Grimmie’s family made the “ultimate sacrifice” to support the singer on her musical journey. “They did nothing but love her and support her as family the best they knew how, the only worry I want them to have at this point is that of recovery,” he wrote. “Grimms I love you, and miss you beyond comprehension.”